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Mary Blake — 1930 US Census Record
Model Tree available1930 United States Federal Census · Dane, Wisconsin
Our Model Tree links this Mary Blake across the 1920, 1930 and 1940 US Censuses in Dane, Wisconsin (XGBoost, ~Confirmed), with identified parents Henry & Mary — first a daughter (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dane, Wisconsin |
| Surname | Blake |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Alaska-English |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | City Of Madison |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Blake | Daughter | — | 4 | ~1926 |
| Ellen Currie | Other | — | 63 | ~1867 |
| Mary Blake | Head | — | 34 | ~1896 |
| Virginia Blake | Daughter | — | 9 | ~1921 |
| James Blake | Son | — | 10 | ~1920 |
| Robert Blake | Son | — | 15 | ~1915 |
| Mary Blake | Daughter | — | 12 | ~1918 |
| John Blake | Son | — | 7 | ~1923 |
Census Appearances
1920
Dane, Wisconsin
Daughter, age 2
Dane, Wisconsin · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Canada |
| Mother Tongue | English |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dane, Wisconsin
Daughter, age 12
Dane, Wisconsin · implied b. ~1918 — 8 household members
| Surname | Blake |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Alaska-English |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Spouse, age 23
Dane-County, Wisconsin · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Marian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison City |
| 1935 Residence (County) | Dane |
| Occupation | housewife |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Blake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Blake (~0.92 confidence) and mother Mary Blake (~0.92 confidence) and mother Mary Blake (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Blake
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Mary Blake
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Blake
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Blake
Daughter · 1930 · age 12 · b. ~1918 · Wisconsin
★ You are viewing this record
Sibling
Kathleen Blake
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Blake
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Blake
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Blake
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Blake
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Dane, Wisconsin
Open full size
1930 US Federal Census — Dane, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2566unit:1009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rollie R. Bishop | 46 | Head | Salesman | Illinois |
| 2 | Virginia Bishop | 23 | Daughter | Teacher | India (Am. cit.) |
| 3 | Harold Bishop | 22 | Son | — | Iowa |
| 4 | Lois Bishop | 20 | Daughter | — | India (Am. cit.) |
| 5 | Mary Simon | 40 | Head | Secretary | Wisconsin |
| 6 | Phillip Simon | 32 | Brother | Asst. Clerk | Wisconsin |
| 7 | Agnes Gleasner | 29 | Roomer | Bookkeeper | Wisconsin |
| 8 | Charles E. Roberts | 58 | Head | Salesman Traveler | Wisconsin |
| 9 | Merrie Roberts | 55 | Wife-H | — | Wisconsin |
| 10 | Ida R. Moleter | 50 | Head | — | Wisconsin |
| 11 | Madeline Moleter | 25 | Daughter | Nurse | Wisconsin |
| 12 | Rosalie Moleter | 22 | Daughter | Nurse | Wisconsin |
| 13 | Agnes Moleter | 18 | Daughter | — | Wisconsin |
| 14 | Alphonse Moleter | 15 | Son | — | Wisconsin |
| 15 | Mildred Moleter | 11 | Daughter | — | Wisconsin |
| 16 | Jerome Moleter | 7 | Son | — | Wisconsin |
| 17 | Elizabeth Sullivan | 70 | Head | — | Wisconsin |
| 18 | Nellie Sullivan | 42 | Daughter | Proprietor | Wisconsin |
| 19 | Raymond Sullivan | 12 | Grandson | — | Iowa |
| 20 | Helen Sullivan | 10 | Granddaughter | — | Kansas |
| 21 | Bernice Sullivan | 6 | Granddaughter | — | Wisconsin |
| 22 | Mary Blake | 34 | Head | Mender | Alaska (Am. cit.) |
| 23 | Robert L. Blake | 15 | Son | — | Wisconsin |
| 24 | Mary Blake THIS PERSON | 12 | Daughter | — | Wisconsin |
| 25 | James Blake | 10 | Son | — | Wisconsin |
| 26 | Virginia Blake | 9 | Daughter | — | Wisconsin |
| 27 | John Blake | 7 | Son | — | Wisconsin |
| 28 | Kathleen Blake | 4 | Daughter | — | Wisconsin |
| 29 | Ellen Currie | 63 | Housekeeper | Housekeeper | Scotland |
| 30 | William Vogelberg | 52 | Head | Barber | Wisconsin |
| 31 | Elizabeth Vogelberg | 51 | Wife-H | — | Wisconsin |
| 32 | Harold Vogelberg | 17 | Son | — | Wisconsin |
| 33 | Eldred Vogelberg | 13 | Son | — | Wisconsin |
| 34 | Marion Schulby | 27 | Daughter | Stemmer | Wisconsin |
| 35 | William Thinder | 47 | Head | Com. Traveler | Wisconsin |
| 36 | Louisa Thinder | 45 | Wife-H | Stenographer | Wisconsin |
| 37 | Amelia Rudoff | 81 | Mother-in-law | — | Germany |
| 38 | Harry M. Dawson | 29 | Head | Salesman | Iowa |
| 39 | Leona Dawson | 26 | Wife-H | — | Wisconsin |
| 40 | Wesley Dawson | 12 | Son | — | Wisconsin |
| 41 | Homer Dawson | 11 | Son | — | Wisconsin |
| 42 | Sylvia Dawson | 9 | Daughter | — | Wisconsin |
| 43 | Harry Jr. Dawson | 1 | Son | — | Wisconsin |
| 44 | Peter Karabis | 40 | Head | Proprietor | Greece |
| 45 | Angelica Karabis | 39 | Wife-H | — | Greece |
| 46 | George Karabis | 14 | Son | — | Iowa |
| 47 | James Karabis | 10 | Son | — | Minnesota |
| 48 | Theone Karabis | 7 | Daughter | — | Minnesota |
| 49 | Christ Karabis | 32 | Brother | Proprietor | Greece |
| 50 | John Karabis | 30 | Brother | Proprietor | Greece |
Pedigree Summary
Mary + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)